Aquarium filter holder



FIG. 1 is a bottom perspective view of an aquarium filter holder showing my new design in its assembled condition;

FIG. 2 is a bottom perspective view of the aquarium filter holder in its unassembled condition;

FIG. 3 is a top perspective view of an aquarium filter holder in its unassembled condition;

FIG. 4 is a front view of the aquarium filter holder in its assembled condition;

FIG. 5 is a left side view of the aquarium filter holder in its assembled condition;

FIG. 6 is a top view of the aquarium filter holder in its assembled condition;

FIG. 7 is a bottom view of the aquarium filter holder in its assembled condition; and,

FIG. 8 is a left side cross-sectional view of the aquarium filter holder of FIG. 4 in its assembled condition.

Right side view not shown is a mirror image of the left side. 

CLAIM The ornamental design for an aquarium filter holder, as shown and described. 